Fix case of skipped variant followed by other variants

testing/tests/test_de.rs

@@ -42,13 +42,13 @@ struct StructDenyUnknown {
 
 #[derive(PartialEq, Debug, Deserialize)]
 enum Enum {
+    #[allow(dead_code)]
+    #[serde(skip_deserializing)]
+    Skipped,
     Unit,
     Simple(i32),
     Seq(i32, i32, i32),
     Map { a: i32, b: i32, c: i32 },
-    #[allow(dead_code)]
-    #[serde(skip_deserializing)]
-    Skipped,
 }
 
 //////////////////////////////////////////////////////////////////////////